Modified Cilia in Sensory Organs of Juvenile Stages of a Parasitic Nematode

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Science  16 Jun 1967:
Vol. 156, Issue 3781, pp. 1494-1495
DOI: 10.1126/science.156.3781.1494


Electron microscopical studies revealed the presence of dendritic nerve processes in sensory organs of the third- and fourth-stage juveniles of Haemonchus contortus, which contained structures resembling modified cilia. With few exceptions, the outer circle of fibers consisted of ten doublets, and in place of typical cilia-like central fibers were small microtubules or vesicles varying in number from zero to five.